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Flu shots are here. When's the ideal time to get one, and should you get it with the Covid vaccine?

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This year ’s flu shots are trivalent, meaning they protect against three flu viruses: two versions of influenza A and one type of influenza B.

The effectiveness of flu vaccines at preventing doctor's visits tends to vary from year to year.

Last year , around 25,000 people died of the flu in the U.S. and 400,000 were hospitalized.

A small study published in April found that co-administering Covid and flu shots boosted the antibody response to Covid in blood samples, but experts aren’t sure if that translates to more protection.

Getting the shots at once might also slightly increase side effects, according to a CDC study.

Flu shots are available at doctor’s offices, pharmacies, clinics and through some workplaces.